Below are the recommended resources to strengthen your basics in mathematics which will prepare you for the Statics course.
Matrices - for Chapters related to Moment of Force
Matrix Addition & Subtraction I
Matrix Addition & Subtraction II
Determinant of a 3x3 Matrix II
Solving a 2x2 System of Equations Using a Matrix Inverse I
Solving a 2x2 System of Equations Using a Matrix Inverse II
Solving a 3x3 System of Equations Using a Matrix Inverse
Cross Product of Vectors & Determinants - area of triangles and parallelograms
Vectors - for Chapters related to Force resolution and Equilibrium analysis
Geometric Representation of Vectors
Algebraic Representation of Vectors
Adding Vectors Graphically or Head-to-Tail Method
Adding Vectors using Components I
Adding Vectors using Components II
Vector Addition & Scalar Multiplication
Solve Navigation Problems using Vectors
Parameterize a Line Segment & a Circle
Lines in 3D Coordinate Systems